Respostas

2014-03-06T13:34:49-03:00
2-(-2)-{-6-[-3+(-3+5)]}-8
2+2-{-6-[-3+2]}-8
4-{-6-[-1]}-8
4-{-6+1}-8
4-{-5}-8
4+5-8
4-3
1